the filament of a light bulb goes from a temperature of about 400K up to 5000K, when it is turned on. How many times more radiant energy does it emit when it is on than when it is off?

Q: A 0.002 kg bullet leaves the barrel of a gun at a speed of 300 m/s. a) Find the kinetic energy of th...

A: Given that, Mass of bullet = 0.002 kg Speed = 300 m/s Length of barrel = 0.5 m

Q: What would be the acceleration of gravity (in m/s²) at the surface of a world with seven times Earth...

A: The acceleration due to gravity is given as: g=GMr2........(1)where,G is universal gravitational con...

Q: a) Define electric potential at a point in an electric field. b) Two charged parallel conducting pla...

A:

Q: Please solve 5a and 5b

A:

Q: A 70 kg man drops to a concrete patio from a window only 0.55 m above the patio. He neglects to bend...

A: Given: Mass of the man. m = 70 kg. Height, h = 0.55 m.   To Find: (a) Average acceleration. (b) Aver...

Q: Help pretty please!

A:

Q: There is 1 mol of He gas at 177 °C in the given manometer system. When the temperature of this gas i...

A: The initial pressure of the manometer system is, P1+ρHggh-ρHggh'=0P1+13600 kg/m39.81 m/s20.35 m-1360...

Q: Physics Question

A: Part 3 The conversion can be done as below,

Q: A 5,600 Kg Truck traveling at 35 m/s to the west collides with a 2,200 Kg car that is at rest in a s...

A: Given: mass of truck , m = 5600 kg  mass of car , M = 2200 kg  Initial Velocity of truck u1 = 35 m/s...

Q: V volts Q1.8 If the slope of the graph for electric field mapping is 0.5 V/cm and the distance betwe...

A: Slope of graph for electric field mapping (potential gradient)= 0.5 Vcmdistance between the positive...

Q: Physics Question

A: SOlution: Concept: Carnot engine is a theoretical thermodynamic cycle. It gives the estimate of the ...

Q: Consider the combination of capacitors shown in Figure 5.36. Determine the energy stored in (a) the ...

A: (a) Let C1, C2, C3, and C4 denote the capacitance of the four capacitors, C5 denotes the equivalent ...

Q: Given theta= 31.9 and c=5.0 what is phi? Round to one decimal.

A: Given data: θ= 31.9 degree c=5.0 Need to determine the value of the angle ϕ.

Q: 23.13

A: Given: Energy acquires by electron E=4.5×10-16 J 

Q: A student conducts an investigation and connects a multimeter to a circuit. The multimeter produces ...

A: Draw the graph of AC and DC currents:

Q: 7. Two dogs are playing in a park and they collide. The Great Dane has a momentum of 782 kg- m/s, an...

A: Given data: Initial moment of Great Dane dog (PGi) = 782 kg.m/s Initial moment of poodle dog (Ppi) =...

Q: The bar is 10m long. A mass of 40kg placed at 9m from the left in of the bar. Where should a 60kg ma...

A: Given: length of bar l=10 mmass placed m1 = 40 kg at r1=9m from leftmass placed m2 =60 kg we have to...

Q: Consider a collection of charges in a given region and suppose all other charges are distant and hav...

A: Electric potential by a collection of charges at a given point is given by V = kq1/r1 + kq2/r2 + ......

Q: A snowmobile is originally at the point with position vector 31.3 m at 95.0° counterclockwise from t...

A: Original position vector (ro→) = 31.3 m [ cos95oi^ + sin95oj^]= 31.3[-0.087i^ + 0.996j^] m = -2.7231...

Q: A boat crosses a river of width 160.0 m in which the current has a uniform speed of 1.50 m/s to the ...

A: Given data: The width of the river is, w= 160 m Speed of the current is, v1 = 1.50 m/s Speed of the ...

Q: If the total resistance of two circuits in parallol is 9 ohms and ono circuit has throe timos the re...

A: The equivalent resistance in the parallel combination is given by  1R=1R'+1R''

Q: Nedd help with this A 4.6 kg box attached to a spring as shown in the figure undergoes a simple harm...

A: Given data The mass of the box is m = 4.6 kg The spring constant of the spring is k = 16 N/m  

Q: 1. A 7kg object is moving with a speed of 8m/s from a height of 2 m: a. Calculate the Kinetic Energy...

A: Given mass m = 7 kg speed v = 8m/s height h = 2m

Q: A large ship displace can displace a maximum of 12,000 m3 of sea water, how much load (in kg) can it...

A:

Q: Answer the question quecly please    Mathematics

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q:

A: Introduction: The location of a body at any particular time with respect to a reference of the frame...

Q: 8. Assume that the resistance of the lightbulb is 6 Ω, the length of the bar is 1.2 m, and a uniform...

A: Given values: Resistance, R=6 Ω Length of the bar, l=1.2 m Magnetic field ,B=2.5 T Current, I=0.5 A ...

Q: A bolt has a requirement of being tightened to 38Nm. You pull the end of a 25cm wrench at an angle o...

A: Given data The torque required is given as T = 38 Nm. The distance from which the force is required...

Q: Task 1- Faraday's law As illustrated in Figure I, a rectangular wire loop carries current i, has hei...

A: Given :   A rectangular wire loop carries current = i, has height = b and width = a                 ...

Q: A heart defibrillator passes 10.5 A through a patient's torso for 5.00 ms in an attempt to restore n...

A:

Q: Inductive charging is used to wirelessly charge electronic devices ranging from toothbrushes to cell...

A: The induced e.m.f is calculated by using the formula ε=NAdBdt , where N=18 is the number of turns , ...

Q: how do you solve this problem

A: Given : D = 7.3 cm = 0.073 m d = 2.8 mm = 0.0028 m  E = 6.0 x 106 N/C  

Q: Minimize the following Boolean expresSion: PQR+ PQR+ P Q R+P Q R+ P Q R+ P Q R

A: In K mapping , put 1 for the components given in expression and zero for the rest

Q: 3. The transyerse waves has the following characteristics: v = 8.00 m, A = 0.0700m, and 1 = 0.320m. ...

A: The relation for the frequency is  wave speed =wavelength x frequency The time period is the recipro...

Q: Two large flat sheets with uniform charge per area +3n and –n are arranged as shown. We want to the ...

A: Electric field due to an infinite sheet of charge having uniform charge density σ is given as  E→ = ...

Q: A baseball with mass of 0.14 kg is batted into the air. Its initial speed is 47.4 m/s, directed at a...

A: Mass of baseball (m)= 0.14 kg Initial speed (u) = 47.4 msangle of launch (θ) = 14oTime (t) = 1.5 sec...

Q: Give an example situation that is being described from the motion diagram

A: Introduction: In physics, problems related to mechanics are of different types. Based on the nature ...

Q: A 3.00 kg object moves with acceleration a = (2.00 i – 1.20 j) m/s² under action of two forces. One ...

A: Let us assume that two forces F1 and F2 are acting on the object. Net force= mass x acceleration F→1...

Q: 20ks 3ökg where is center of gravity?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Note: this is not a graded question and not a writing assignment question.. if can not answer this p...

A: Given, mass of ball m = 5 kg r = 1.60 m θ1=15∘θ2=45∘ Now, initial energy of the ball at point O EO=m...

Q: Find the charge on each of the capacitors in the figure below. 24.0 V 1.00 μΕ 5.00 μF 8.00 µF: -4.00...

A: Let C1 = 1 μF , C2 = 5 μF , C3 = 8 μF , C4 = 4 μF V = 24 volts  Let us find the equivalent capacita...

Q: Given two capacitors C1 = 3 ?F and C2 = 5 ?F, determine the energy stored in each of them when they ...

A: Given data, Since the units are not clear, assuming that capacitances as 3μF and 5μF to match the un...

Q: blocks (m1 = 5 kg and m2 = 3 kg) moves in the direction shown with constant acceleration a = 6 m/s?....

A: Given:-                m1 = 5 kgm2 = 3 kga = 6 m/s2          

Q: 2. What type of motion is shown on the motion diagram? a. Constant Velocity. b. Acceleration.

A: 2. Motion diagram:

Q: In this section you will draw the electric fields of several simple charge configurations. While you...

A:

Q: How do you slove?

A: Work done is equal to area under the force vs x graph.

Q: 2. A travelling sinusoidal wave has this equation: y(z.1) = 0.0450 m sin(25.12 m-!x – 37.685-4 – 0.5...

A: A sinusoidal wave is expressed as, y=Asinωt-kx+ϕ Where, A is the amplitude ω is the angular frequenc...

Q: a bolt has a requirement of being tightened to 38 Nm. You pull on the end of a 25 cm wrench at an an...

A: SOlution: as given that T =38 Nm R = 25 cm = 0.25 m angle = 120 degree

Q: Claim: Which capacitor holds more charge? Evidence: Give evidence to the claim Reasoning: Give reaso...

A:

Q: the 2-47. If 0 = 60° and magnitude of the resultant force and its direction measured clockwise from ...

A: